DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   Qin
       n 1: the Chinese dynasty (from 246 BC to 206 BC) that
            established the first centralized imperial government and
            built much of the Great Wall [syn: Qin, Qin dynasty,
            Ch'in, Ch'in dynasty]